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Finding the Third Proportional to 67,506.75 and 145,401.75

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Solution

The third proportional to 67,506.75 and 145,401.75 is: 313,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,506.75 : 145,401.75 = 145,401.75 : x
  2. Step 2: Convert to fraction form
    67,506.75/145,401.75 = 145,401.75/x
  3. Step 3: Cross multiply
    67,506.75x = 145,401.75 × 145,401.75
  4. Step 4: Simplify right side
    67,506.75x = 21,141,668,903.06
  5. Step 5: Solve for x
    x = 21,141,668,903.06/67,506.75
  6. Step 6: Final answer
    x = 313,178.59

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.